Files
emacs-conf/scripts/reveal.js/plugin/highlight/index.ts

57 lines
1.7 KiB
TypeScript

import type { HLJSApi } from 'highlight.js';
import type { RevealPlugin } from 'reveal.js';
// @ts-expect-error The runtime implementation remains in JS during the migration.
import HighlightImplementation from './plugin.js';
export interface HighlightLine {
start?: number;
end?: number;
}
export interface HighlightLineNumbersOptions {
singleLine?: boolean;
startFrom?: number;
}
export interface HighlightJsApi extends HLJSApi {
initLineNumbersOnLoad(options?: HighlightLineNumbersOptions): void;
lineNumbersBlock(element: HTMLElement, options?: HighlightLineNumbersOptions): void;
lineNumbersValue(code: string, options?: HighlightLineNumbersOptions): string | undefined;
}
export interface HighlightScrollState {
currentBlock?: HTMLElement;
animationFrameID?: number;
}
export interface HighlightLineBounds {
top: number;
bottom: number;
}
export type HighlightLineStep = HighlightLine[];
export interface HighlightPlugin extends RevealPlugin {
id: 'highlight';
HIGHLIGHT_STEP_DELIMITER: '|';
HIGHLIGHT_LINE_DELIMITER: ',';
HIGHLIGHT_LINE_RANGE_DELIMITER: '-';
hljs: HighlightJsApi;
highlightBlock(block: HTMLElement): void;
scrollHighlightedLineIntoView(
block: HTMLElement,
scrollState: HighlightScrollState,
skipAnimation?: boolean
): void;
easeInOutQuart(t: number): number;
getHighlightedLineBounds(block: HTMLElement): HighlightLineBounds;
highlightLines(block: HTMLElement, linesToHighlight?: string): void;
deserializeHighlightSteps(highlightSteps: string): HighlightLineStep[];
serializeHighlightSteps(highlightSteps: HighlightLineStep[]): string;
}
const Highlight = HighlightImplementation as () => HighlightPlugin;
export default Highlight;